Home / 9,386.80-14,070.36-3,145.28

Finding the Fourth Proportional to 9,386.80, 14,070.36 and 3,145.28

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Solution

The fourth proportional to 9,386.80, 14,070.36 and 3,145.28 is: 4,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.80 : 14,070.36 = 3,145.28 : x
  2. Step 2: Convert to fraction form
    9,386.80/14,070.36 = 3,145.28/x
  3. Step 3: Cross multiply
    9,386.80x = 14,070.36 × 3,145.28
  4. Step 4: Simplify right side
    9,386.80x = 44,255,221.90
  5. Step 5: Solve for x
    x = 44,255,221.90/9,386.80
  6. Step 6: Final answer
    x = 4,714.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.